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Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
![Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_45_22_20052014.jpeg)
![Seasonal changes in biomass and growth form of benthic algae in the Eel River, California: (a) in ea](https://biology-forums.com/gallery/47/medium_33_17_02_12_5_45_22_20062171.jpeg)